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1. any coloring matter of the body.
2. a stain or dyestuff.
3. a paintlike medicinal preparation applied to the skin. adj., adj pig´mentary.
bile pigment any of the coloring matters of the bile, derived from heme, including bilirubin, biliverdin, and several others.
blood pigment (hematogenous pigment) any of the pigments derived from hemoglobin, such as hematoidin, hematoporphyrin, hemofuscin, and methemoglobin.
lipid pigment any of various pigments having lipid characteristics, some of which also contain protein or iron, the most important one being lipofuscin.
respiratory p's substances, e.g., hemoglobin, myoglobin, or cytochromes, which take part in the oxidative processes of the animal body.
retinal p's the photopigments in retinal rods and cones that respond to certain colors of light and initiate the process of vision.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
blood pigmentA nonspecific term for any pigmented substance in the peripheral circulation, widely understood to signify those proteins capable of acting as oxygen transporters—e.g., in humans, haemoglobin, respiratory pigments, hematogenous pigments, as well as biliary pigments.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
A pigment in blood (hemoglobin) or a derivative of it (hematin, hemin, methemoglobin, hemosiderin).
See also: pigment
Medical Dictionary, © 2009 Farlex and Partners